Cap for the airtight-sealing of bottles

Details Cap for the airtight-sealing of bottles Cap for the airtight-sealing of bottles

1987-05-28

1988-09-13

Marcus, Stephen

Bottles and jars

Closures

Cap type with manually actuated means to contract depending...

B65D 4532

Patent

active

047703075

ABSTRACT:
A cap particularly suited for providing an airtight sealing for bottles having a peripheral lip on the neck thereof which comprises first and second substantially cylindrical bodies. The first cylindrically body being coaxially and slidably disposed within the second cylindrical body and being closed at one end, a washer disposed within the first cylindrical body and adapted to seal the opening of the bottle, a first spring disposed between the washer and the closed end of the first cylindrical body, a second spring disposed between the first and second cylindrical bodies, the second spring being biased, against the slidable movement of the first and second cylindrical bodies relative to each other, a plurality of engaging members operatively confined by the first and second cylindrical bodies and adapted to move in the horizontal and vertical direction whereby upon the application of pressure on the second cylindrical body in the downward, vertical directions against the bias of the second spring, the plurality of engaging members are displaced to move in substantially the vertical and horizontal direction to engage below the lip on the neck of the bottle.

REFERENCES:
patent: 1834548 (1931-12-01), Noble
patent: 2059932 (1935-04-01), Cavuoti
patent: 2132775 (1938-10-01), Casablancas
patent: 3863798 (1975-02-01), Kurihara et al.
patent: 4534482 (1985-08-01), Bouche 215272

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